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Finding the Fourth Proportional to 895.12, 1,341.43 and 483.37

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Solution

The fourth proportional to 895.12, 1,341.43 and 483.37 is: 724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    895.12 : 1,341.43 = 483.37 : x
  2. Step 2: Convert to fraction form
    895.12/1,341.43 = 483.37/x
  3. Step 3: Cross multiply
    895.12x = 1,341.43 × 483.37
  4. Step 4: Simplify right side
    895.12x = 648,402.46
  5. Step 5: Solve for x
    x = 648,402.46/895.12
  6. Step 6: Final answer
    x = 724.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.